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Create 189_Rotate_Array.java #291

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Create 189_Rotate_Array.java #291

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Create 189_Rotate_Array.java 
Signed-off-by: Kriti Misra <90602521+kriti142003@users.noreply.github.com>
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@kriti142003
kriti142003 committed Oct 21, 2023
commit c379d07c6f79533bcf93060fa33192583f937c3a
26 changes: 26 additions & 0 deletions Two Pointers/189_Rotate_Array.java
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Original file line number Diff line number Diff line change
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class Solution {
public void rotate(int[] nums, int k) {
if(nums == null || nums.length <= 1 || k % nums.length == 0) {
for(int i=0;i<nums.length;i++) {
System.out.println(nums[i]);
}
}
int n=nums.length;
k = k % n;
swap(nums,0,n-1);
swap(nums,0,k-1);
swap(nums,k,n-1);
for(int i=0;i<n;i++) {
System.out.println(nums[i]);
}
}
static void swap(int nums[],int s,int e) {
while(s<e) {
int temp=nums[s];
nums[s]=nums[e];
nums[e]=temp;
s++;
e--;
}
}
}